Zobrazeno 1 - 10
of 47
pro vyhledávání: '"František Rieger"'
Publikováno v:
PRZEMYSŁ CHEMICZNY. 1:132-136
Publikováno v:
Processes
Volume 9
Issue 2
Processes, Vol 9, Iss 341, p 341 (2021)
Volume 9
Issue 2
Processes, Vol 9, Iss 341, p 341 (2021)
The paper presents research on the phenomenon of an increase in mixing power during the emptying of a tank with two 6-PBT45° axial impellers in operation, located on a common shaft, pumping the liquid to the bottom of the mixing tank. A large increa
Publikováno v:
Processes
Volume 9
Issue 1
Processes, Vol 9, Iss 68, p 68 (2021)
Volume 9
Issue 1
Processes, Vol 9, Iss 68, p 68 (2021)
This paper presents an analysis of hydrodynamics in a tank with a 45°
and 60°
pitched blade turbine impeller operating while emptying the mixer and with an axial agitator working during axial pumping-down of water at different water l
and 60°
pitched blade turbine impeller operating while emptying the mixer and with an axial agitator working during axial pumping-down of water at different water l
Publikováno v:
Chemical and Process Engineering, Vol 35, Iss 4, Pp 421-434 (2014)
The study analyses application possibilities of filtration and thickening models in evaluation of papermaking suspension drainage rate. The authors proposed their own method to estimate the drainage rate on the basis of an existing Ergun capillary mo
Publikováno v:
Chemical Engineering and Processing: Process Intensification. 73:50-58
In the study a 3D/2D hybrid model for ribbon mixers, for a laminar range of mixing was verified. Distributions of the experimental and model values of velocity components and the experimental and model values of mixing power for this type of mixers w
Publikováno v:
Chemical and Process Engineering. 34:139-152
This paper deals with the effect of impeller shape on off-bottom particle suspension. On the basis of numerous suspension measurements, correlations are proposed for calculating the just-suspended impeller speed for a standard pitched four-blade turb
Autor:
František Rieger, Tomáš Jirout
Publikováno v:
Chemical Engineering Research and Design. 89:1144-1151
This paper deals with effect of impeller type on off-bottom particle suspension. On the basis of numerous suspension measurements correlations are proposed for calculation just suspended impeller speed for eleven impeller types and geometries in the
Publikováno v:
PJCT. 11:52-56
Mixing system for highly concentrated fine-grained suspensions The mixing equipment for highly concentrated fine-grained suspensions must be designed differently from the equipment in which a suspension with a low concentration of the solid phase or
Autor:
František Rieger
Publikováno v:
Acta Polytechnica, Vol 42, Iss 1 (2002)
Most information on pumping efficiency that is available in the literature is limited to the turbulent region (centrifugal pumps). The aim of this paper is to show the effect of the Reynolds number on the pumping efficiency of screw agitators for a w
Autor:
František Rieger
Publikováno v:
Chemical Engineering and Processing: Process Intensification. 41:381-384
This paper deals with the effect of particle content on agitator speed for off-bottom suspension. The measurements were carried out with a pitched six-blade turbine characterized by agitator to vessel diameter ratio d/D=0.3 in dish bottomed vessel eq